Cytochrome Oxidase Protocol
(Cytochrome  C- Sigma, #  C-2506)

1)  Rinse sections  in 0.1M PB.

2)  Dissolve 4g sucrose in 90ml  0.1M PB in a 250ml beaker.

3)  Add 30mg  cytochrome C.  (light sensitive - cover beaker with aluminum foil.)

4)  Add 50mg  DAB. (diaminobenzidine - use 5  10mg tablets; do under hood.)

5)  Incubate  sections  in this medium  at  370 C  in the dark for 1 hour.

6)  Transfer sections  into a fresh change  of incubation  medium  and  incubate  for another
      hour.

7)  Rinse in 0.1M PB for 5 min.

8)  Transfer slices  into  a clean  well plate  and rinse in 0.1M PB.  Put netwells and well
      plate  in bleach water to detoxify DAB.